A.A. Spanov, D.M. Bekenov, D.T. Sultanbai, G.K.Zhaksylykova, и A.D.Baimukanov. «THE EFFECT OF CANOLA MEAL APPLICATION IN THE DIET OF DAIRY COWS OF HOLSTEIN BREED IN BAYSERKE AGRO LLP». «Доклады НАН РК», вып. 5, октябрь 2019 г., сс. 21-24, http://189185.vm7pq.group/reports-science/article/view/1708.